Reverse osmosis trolley



FIG. 1 is a right side view of a reverse osmosis trolley showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front side view thereof; and,

FIG. 6 is a back side view thereof. 

The ornamental design for a reverse osmosis trolley, as shown. 